/*
 * Copyright 2002-2005 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.aop;

/**
 * Interface supplying the information necessary to describe an introduction.
 *
 * <p>IntroductionAdvisors must implement this interface. If an Advice implements
 * this, it may be used as an introduction without an IntroductionAdvisor.
 * In this case, the advice is self-describing, providing not only the necessary
 * behavior, but describing the interfaces it introduces.
 *
 * @author Rod Johnson
 * @since 1.1.1
 */
public interface IntroductionInfo {
	
	/**
	 * Return the additional interfaces introduced by this Advisor or Advice.
	 */
	Class[] getInterfaces();

}
